我正在使用express Node.js和mysql来构建API，并且想要将这些API连接到前端，但是我遇到了一个错误，由于这个原因，我的应用程序无法正常运行plzzzz告诉我代码中的问题是什么。

我的错误是:error:ER_PARSE_ERROR:您的SQL语法中有一个错误；检查与MariaDB服务器版本相对应的手册，以确定在第1行'usecoffee_shop'附近使用的正确语法

var LocalStrategy = require("passport-local").Strategy;
var mysql = require('mysql');
var bcrypt = require('bcrypt-nodejs');
var dbconfig = require('./database');

var connection = mysql.createConnection(dbconfig.connection);

connection.query('USE' + dbconfig.database);

module.exports = (passport)=>{
    passport.serializeUser((user,done)=>{
        done(null, user.id);
    });

    passport.deserializeUser((id,done)=>{
        connection.query("SELECT * FROM users WHERE id = ? ", [id],
            (err,rows)=>{
            done(err,rows[0])
        });
    });

passport.use(
    'local-signup',
    new LocalStrategy({
        api_keyField : 'api_key',
        nameField : 'name',
        phoneField : 'phone',
        emailField : 'email',
        photoField : 'photo',
        passwordField : 'password',
        passReqToCallback:true
    },
    (req,email,password,done)=>{
        connection.query("SELECT * FROM users WHERE email = ?",[email],
            (err,rows)=>{
                if(err)
                    return done(err);
                if(rows.lenght){
                    return done(null, false, req.flash('signupMessage','That is Already Taken'));
                }else{
                    var newUserMysql = {
                        api_key : api_key,
                        name : name,
                        phone : phone,
                        email : email,
                        photo : photo,
                        password : bcrypt.hashSync(password, null, null)
                    };

                    var insertQuery = "INSERT INTO users (api_key,name,phone,email,photo,password) VALUES (?,?,?,?,?,?)";
                    connection.query(insertQuery, [newUserMysql.api_key, newUserMysql.name, newUserMysql.phone, newUserMysql.email, newUserMysql.photo, newUserMysql.password],
                        (err,rows)=>{
                            newUserMysql.id = rows.insertId;

                            return done(null, newUserMysql);
                        });

                }

            });
    })

    );

passport.use(
    'local-login',
    new LocalStrategy({
        emailField : 'email',
        passwordField : 'password',
        passReqToCallback:true
    },
    (req,email,password,done)=>{
        connection.query("SELECT * FROM users WHERE email = ?", [email],
            (err,rows)=>{
                if(err)
                    return done(err);
                if (!rows.lenght){
                    return done(null, false, req.flash('loginMessage', 'No User Found'));
                }
                if (!bcrypt.compareSync(password, rows[0].password))
                    return done(null, false, req.flash('loginMessage','Wrong password'));

                    return done(null, rows[0]);
            });
    })

    );
};